What is it used for?
Cetirizine is an antihistamine used to relieve allergy symptoms such as sneezing, runny or itchy nose, itchy or watery eyes, and skin allergies such as hives and itching.
How does it work?
It blocks the action of histamine, a chemical involved in allergic reactions. This helps reduce allergy symptoms and itching.
How to take/use it
Take by mouth with water, exactly as directed on the label or by a healthcare professional. It may cause drowsiness in some people; avoid driving or operating machinery until its effect is known.
Common side effects
Drowsiness, tiredness, headache, dry mouth, nausea, or dizziness.
Precautions
Avoid alcohol and be careful with other medicines that cause drowsiness. Seek medical advice if there is kidney disease, pregnancy, or breastfeeding. Get urgent medical help for swelling of the face or throat, breathing difficulty, or a severe allergic reaction.
